Click the thumbnails to enlarge.

Torus (Figures 5.1.1 and 5.1.2)

Torus with a non-euclidean topology (Figure 5.1.3)

Torus times sphere (Figure 5.1.4)

Torus times Klein bottle (Figures 5.1.5 and 5.1.6)

Circle times interval, and interval times circle (Figures 5.1.7 and 5.1.8)

Sphere times torus (Figures 5.1.9)

Sphere times torus times sphere (Figure 5.1.10)